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Finding the Fourth Proportional to 217,226.80, 325,840.20 and 164,738.80

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Solution

The fourth proportional to 217,226.80, 325,840.20 and 164,738.80 is: 247,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,226.80 : 325,840.20 = 164,738.80 : x
  2. Step 2: Convert to fraction form
    217,226.80/325,840.20 = 164,738.80/x
  3. Step 3: Cross multiply
    217,226.80x = 325,840.20 × 164,738.80
  4. Step 4: Simplify right side
    217,226.80x = 53,678,523,539.76
  5. Step 5: Solve for x
    x = 53,678,523,539.76/217,226.80
  6. Step 6: Final answer
    x = 247,108.20

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